Choice of caliber;.338 Lapua Magnum.300 Win Mag In-line recoil path manages recoil directly from the rear of the receiver to the buttstock, not through a traditional bedding system, providing maximum accuracy potential.Cold hammer-forged, chrome-moly steel barrel with 5R Rifling at minimum bore and groove dimensions, minimum headspace and centralized chamber.Ruger Marksman Adjustable™ trigger is externally adjustable, with a trigger pull range of 2.25 to 5 pounds; wrench is stored in the bolt shroud.Ruger Precision® MSR stock features a bottom Picatinny rail and soft rubber buttpad. The left-folding stock hinge accepts any AR-style stock. Length of pull and comb height are adjustable.Heavy-contour (.875" at the muzzle) barrel features a Ruger Precision® Rifle Magnum Muzzle Brake with tunable compensator to effectively reduce recoil and muzzle jump.18" aluminum free-float handguard is black hard-coat anodized aluminum and features Magpul® M-LOK® slots on all four sides for improved scope clearance for long-range scopes and easy mounting of M-LOK-compatible rails and accessories.Ambidextrous manual safety for left- or right-handed lever manipulation.30 MOA Picatinny rail secured with # 8-40 screws for increased long-range elevation capabilities."Upper" receiver and one-piece bolt are precision CNC-machined from pre-hardened 4140 chrome-moly steel to minimize distortion.Three-lug bolt with 70° throw features dual cocking cams and a smooth-running, full diameter bolt body. Bolt body is nitrided for corrosion resistance, smooth operation and durability.Barrel can be replaced easily by a competent gunsmith using headspace gauges.Magazine well front is contoured for a positive grip when bracing against shooting supports.Oversized bolt handle for positive bolt manipulation, with a 5/16"-24 thread pattern for easy replacement. Bolt disassembly tool is stored in the Ruger Precision® Rifle Billet Aluminum Bolt Shroud for easy striker channel cleaning."Lower" magazine well halves are precision machined from aerospace-grade 7075-T6 aluminum and are Type III hard-coat anodized for maximum durability.Extended trigger-reach AR-style grip and 45° ambidextrous safety selector. May be configured with any AR-style grip and selector.Handguard includes integral QD sling attachment points to eliminate the need for additional adaptors, a target-style flat bottom that improves stability and an integral bottom 1.50" dovetail that is compatible with RRS S.O.A.R. and similar QD systems.Caliber; .338 Lapua MagStock; Folding, Adjustable Length of Pull and Comb HeightFinish; Type III Black Hard-Coat AnodizedBarrel Length; 26"Barrel; Cold Hammer-Forged, 5R RiflingThread Pattern; 3/4"-24Twist; 1:9.375" RHGrooves; 5Weight; 15.2 lb.Capacity; 5Height; 7.50"Overall Length; 49"-52.50"Length of Pull; 12.70" - 16.20"Folded Length; 40.35"Width; 3.50"Caliber; .300 Win MagStock; Folding, Adjustable Length of Pull and Comb HeightFinish; Type III Black Hard-Coat AnodizedBarrel Length; 26"Barrel; Cold Hammer-Forged, 5R RiflingThread Pattern; 5/8"-24Twist; 1:9" RHGrooves; 5Weight; 15.2 lb.Capacity; 5Height; 7.50"Overall Length; 49"-52.50"Length of Pull; 12.70" - 16.20"Folded Length; 40.35"Width; 3.50"